Pass individual arguments in bindgen flags am: ed5407a024 am: 357e8d74f0 am: af7e4986ed am: a8447bb6e2

Original change: https://android-review.googlesource.com/c/platform/external/selinux/+/1390551

Change-Id: Id25212425043adbe07669e7b413f6eaf92fcf562